EP0168276B1 - Extrudierdüse für eingefüllte Nahrungsmittel - Google Patents

Extrudierdüse für eingefüllte Nahrungsmittel Download PDF

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Publication number
EP0168276B1
EP0168276B1 EP85401049A EP85401049A EP0168276B1 EP 0168276 B1 EP0168276 B1 EP 0168276B1 EP 85401049 A EP85401049 A EP 85401049A EP 85401049 A EP85401049 A EP 85401049A EP 0168276 B1 EP0168276 B1 EP 0168276B1
Authority
EP
European Patent Office
Prior art keywords
extrusion die
extruder
cooker
cooling
injection nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85401049A
Other languages
English (en)
French (fr)
Other versions
EP0168276A1 (de
Inventor
Marc Chapet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clextral SAS
Original Assignee
Clextral SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clextral SAS filed Critical Clextral SAS
Publication of EP0168276A1 publication Critical patent/EP0168276A1/de
Application granted granted Critical
Publication of EP0168276B1 publication Critical patent/EP0168276B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
    • A23P30/30—Puffing or expanding
    • A23P30/32—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment
    • A23P30/34—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment by extrusion-expansion
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
    • A23P30/20—Extruding
    • A23P30/25—Co-extrusion of different foodstuffs

Definitions

  • the present invention relates to an extrusion die for filled food products of the salted or sweet cookie type.
  • the inner layer or filling consisting of proteins, for example chocolate, fat, vegetable or similar material, is injected into the center of the hot material and under pressure as it passes through the extrusion die, through a tube of injection which is mounted concentrically with the die, so that the internal layer is deposited in the external material, thus forming a filled product.
  • the product is then cut into pieces of a desired size.
  • the introduction of the fodder formed by a delicate and soft material very often poses problems. Indeed, the external material, leaving the extruder, enters the extrusion die at a temperature substantially higher than 100 ° C. which results in significant heating of the filling at the time of its introduction. However, this fodder should not be brought to a too high temperature if we want it to retain, for some of them, the desired qualities, and above all to prevent it from becoming too liquid and runny when cutting the product.
  • Patent EP-A-0 071 183 describes an extrusion die into which the external material is introduced perpendicular to the feed pipe of the fodder. At the outlet of the external material, this die has an annular space for sucking the vapors produced at the time of extrusion of said external material.
  • a sleeve creates partial insulation between the external material and the internal fodder, but the fodder undergoes no cooling.
  • US-A-3,480,445 relates to the manufacture of a product filled by extrusion.
  • the fodder being directly introduced into the cooker-extruder, a cooling device is provided between the external material and the fodder.
  • the cooling also acts on the external material.
  • the present invention aims to remedy these drawbacks and relates to an extrusion die for the production of filled food products.
  • the extrusion die comprises cooling and insulation means forming a heat shield between the mixture leaving the cooker-extruder at a high temperature and the fodder introduced into the central duct of the injection nozzle.
  • the cooker-extruder of which only the outlet end has been shown in the single figure, essentially comprises an elongated sheath 1 enveloping one or more screws 2 driven in rotation.
  • An extrusion die 10 is fixed to the end of the sleeve 1 by means of a flange 3.
  • This extrusion die 10 is designed so that the finished product is directed in a direction perpendicular to the axis from the cooker-extruder.
  • the die 10 includes an internal chamber 11 communicating with the inside of the sheath 1 by an inlet orifice 12 disposed in the axis of the screw 2, and whose outlet orifice 13 is oriented along an axis. perpendicular to the axis of the inlet orifice 12.
  • the extrusion die 10 is extended outwards by an interchangeable end cap 14, covering the outlet orifice 13, and provided of a bore 15 having a first flared part, then ending in a cylindrical part.
  • An injection nozzle 16 is mounted concentrically in the chamber 11 of the extrusion die 10 to deliver the fodder, under pressure, inside the mixture which is transferred through said extrusion die.
  • the injection nozzle 16 comprises, over its entire length, a central cylindrical duct 17 which is extended by a hollow tubular punch 18 of circular or ovoid shape, passing through the bore 15 of the end fitting 14. The end of this tubular punch 18 protrudes from the front face of the end piece 14.
  • the injection nozzle 16 comprises, around the conduit 17, cooling and insulation means to prevent overheating too much fodder inside the duct 17.
  • These means are constituted on the one hand by a longitudinal channel 19 provided internally with a double helix 20 in which a cooling fluid circulates, and on the other hand by an insulating ring 21 surrounding the longitudinal channel 19.
  • the channel 19 is connected by a small pipe 22 with a device, not shown, for supplying cooling fluid and comprises a small pipe 23 for discharging said cooling fluid.
  • An expandable mixture of humidified farinaceous materials, constituting the external layer of the product, is introduced into the cooker-extruder, where it undergoes, inside the sheath 1 by the screw 2, mechanical work at a high temperature and pressure.
  • the mixture the temperature of which at the outlet of the cooker-extruder is substantially higher than 100 ° C., is extruded into the inlet orifice 12 of the internal chamber 11 of the extrusion die 10. Then it passes, under a high pressure in the chamber 11 and in the bore 15 of the end nozzle 14.
  • the superheated moisture partially escapes by evaporation which causes it to expand.
  • the mixture therefore constitutes the external layer 30 of the product.
  • the fodder 31 injected into the conduit 17 of the nozzle 16 enters the tubular punch 18 and comes to spread inside the outer layer to form a filled product.
  • the filled product thus obtained is then cut into pieces of a desired length, for example by a rotary knife, not shown, which is mounted adjacent to the discharge end of the extrusion die.
  • the cooling fluid circulating in the longitudinal channel 19 of the injection nozzle 16 forms, with the insulating ring 21, a heat shield between the material leaving the cooker-extruder at a high temperature and the internal filling.
  • the fodder is therefore kept at a relatively low temperature, which makes it possible in particular to prevent it from flowing when the product is cut and, for some of them, that it undergoes degradation due to excessive heating.
  • the orientation of the extrusion die at 90 ° relative to the outlet of the cooker-extruder allows the fodder to be fed along a rectilinear conduit, thus facilitating its flow and its introduction into the external material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Fodder In General (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Claims (3)

1. Extrudierdüse für die Herstellung von gefüllten Nahrungsmitteln, mit Hilfe eines Extruder-Kochapparates, mit:
- einer inneren Kammer (11), die über eine Einlaßöffnung (12) mit dem Extruder-Kochapparat (1, 2) verbunden ist und über eine Ausgangsöffnung (13) mit einer Bohrung (15) in Verbindung steht, die im Inneren eines Endstücks (14) vorgesehen ist, das auf die Ausgangsöffnung gesteckt ist, um einen kontinuierlichen Extrusionskanal für die Mischung zu bilden, die aus dem Extruder-Kochapparat stammt, und
- einer Spritzdüse (16), die konzentrisch in der Innenkammer (11) und der Bohrung (15) angeordnet ist und einen zentralen zylindrischen Kanal aufweist, der durch eine hohle, zylinderförmige Dornstange (18) verlängert wird, die zur Förderung der Füllung dient, gekennzeichnet durch im Bereich der Einführung der aus dem Extruder-Kochapparat (1, 2) mit einer hohen Temperatur austretenden Mischung angeordneten Kühl- und Isoliermittel (19, 21), die eine thermische Abschirmung zwischen der Mischung und der in dem zentralen Kanal (17) der Einspritzdüse (16) eingeführten Füllung bilden.
2. Extrudierdüse nach Anspruch 1, dadurch gekennzeichnet, daß die Kühl- und Isoliermittel in der Einspritzdüse (16) um den zentralen Kanal (17) herum im Bereich der inneren Kammer (11) angeordnet sind.
3. Extrudierdüse nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die Kühl- und Isoliermittel aus einem Längskanal (19) gebildet werden, der innen mit einer doppelten Spirale (20) versehen ist, in der das Kühlmittel fließt und mit einer Isolierhülse (21), die den Längskanal ummantelt.
EP85401049A 1984-06-08 1985-05-28 Extrudierdüse für eingefüllte Nahrungsmittel Expired EP0168276B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8408997 1984-06-08
FR8408997A FR2565521B1 (fr) 1984-06-08 1984-06-08 Filiere d'extrusion de produits alimentaires fourres

Publications (2)

Publication Number Publication Date
EP0168276A1 EP0168276A1 (de) 1986-01-15
EP0168276B1 true EP0168276B1 (de) 1988-03-23

Family

ID=9304835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401049A Expired EP0168276B1 (de) 1984-06-08 1985-05-28 Extrudierdüse für eingefüllte Nahrungsmittel

Country Status (3)

Country Link
EP (1) EP0168276B1 (de)
DE (1) DE3561922D1 (de)
FR (1) FR2565521B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8726310D0 (en) * 1987-11-10 1987-12-16 Rowntree Snack Foods Ltd Snack product
US5333538A (en) * 1991-05-02 1994-08-02 Kabushiki Kaisha Kobe Seiko Sho Food extruder machine
US8944798B2 (en) 2010-06-16 2015-02-03 Kellogg Company Gas assisted co-extrusion apparatus and process for forming foods
WO2012173629A1 (en) * 2011-06-17 2012-12-20 Kellog Company Gas assisted co-extrussion apparatus and process for forming foods
CN102669805A (zh) * 2012-05-25 2012-09-19 贵港瑞康饲料有限公司 膨化机螺旋推进装置
CN111758986B (zh) * 2020-06-30 2022-02-25 江苏丰尚智能科技有限公司 一种挤压设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480445A (en) * 1965-10-21 1969-11-25 Kellog Co Method and means for making a composite food product
DE2317696A1 (de) * 1973-04-09 1974-11-07 Gen Mills Inc Verfahren und vorrichtung zum gemeinsamen extrudieren von stoffen
GB1604586A (en) * 1978-05-30 1981-12-09 Mercer Ltd F B Composite food product and method of making the same
DE3129947C2 (de) * 1981-07-29 1985-08-08 Convent Knabber-Gebäck GmbH & Co KG, 5000 Köln Düsenkopf für einen Kochextruder

Also Published As

Publication number Publication date
DE3561922D1 (en) 1988-04-28
EP0168276A1 (de) 1986-01-15
FR2565521A1 (fr) 1985-12-13
FR2565521B1 (fr) 1986-11-21

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